/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.flink.runtime.executiongraph;

import org.apache.flink.runtime.clusterframework.types.ResourceID;

/** No-op implementation of {@link ExecutionDeploymentListener}. */
public enum NoOpExecutionDeploymentListener implements ExecutionDeploymentListener {
    INSTANCE;

    @Override
    public void onStartedDeployment(ExecutionAttemptID execution, ResourceID host) {}

    @Override
    public void onCompletedDeployment(ExecutionAttemptID execution) {}

    public static ExecutionDeploymentListener get() {
        return INSTANCE;
    }
}
